@CNN: Meet the 11-year-old who created a cheap device to test drinking water for lead, and won a $25,000 science prize https://t.co/xlTIMfJ0nD https://t.co/8ITRFMY3j0
Meet the 11-year-old who created a cheap device to test drinking water for lead, and won a $25,000 science prize https://t.co/xlTIMfJ0nD http://pic.twitter.com/8ITRFMY3j0
— CNN (@CNN) December 2, 2017